28798400

素因数分解:

$2^6\times 5^2\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:502

約数の個数: 84

約数和(自身を含む): 72755760

約数和(自身を除く): 43957360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 160, 164, 200, 205, 320, 328, 400, 410, 439, 656, 800, 820, 878, 1025, 1312, 1600, 1640, 1756, 2050, 2195, 2624, 3280, 3512, 4100, 4390, 6560, 7024, 8200, 8780, 10975, 13120, 14048, 16400, 17560, 17999, 21950, 28096, 32800, 35120, 35998, 43900, 65600, 70240, 71996, 87800, 89995, 140480, 143992, 175600, 179990, 287984, 351200, 359980, 449975, 575968, 702400, 719960, 899950, 1151936, 1439920, 1799900, 2879840, 3599800, 5759680, 7199600, 14399200, 28798400]

約数ペア:

[(1, 28798400), (2, 14399200), (4, 7199600), (5, 5759680), (8, 3599800), (10, 2879840), (16, 1799900), (20, 1439920), (25, 1151936), (32, 899950), (40, 719960), (41, 702400), (50, 575968), (64, 449975), (80, 359980), (82, 351200), (100, 287984), (160, 179990), (164, 175600), (200, 143992), (205, 140480), (320, 89995), (328, 87800), (400, 71996), (410, 70240), (439, 65600), (656, 43900), (800, 35998), (820, 35120), (878, 32800), (1025, 28096), (1312, 21950), (1600, 17999), (1640, 17560), (1756, 16400), (2050, 14048), (2195, 13120), (2624, 10975), (3280, 8780), (3512, 8200), (4100, 7024), (4390, 6560)]